Home / 200,863,609.70-301,220,764.95-79,669,984.10

Finding the Fourth Proportional to 200,863,609.70, 301,220,764.95 and 79,669,984.10

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Solution

The fourth proportional to 200,863,609.70, 301,220,764.95 and 79,669,984.10 is: 119,475,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,863,609.70 : 301,220,764.95 = 79,669,984.10 : x
  2. Step 2: Convert to fraction form
    200,863,609.70/301,220,764.95 = 79,669,984.10/x
  3. Step 3: Cross multiply
    200,863,609.70x = 301,220,764.95 × 79,669,984.10
  4. Step 4: Simplify right side
    200,863,609.70x = 23,998,253,554,156,336
  5. Step 5: Solve for x
    x = 23,998,253,554,156,336/200,863,609.70
  6. Step 6: Final answer
    x = 119,475,367.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.